Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

May 28, 2012Okmulgee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at May 28, 2012, 11:21 PM CDT for Okmulgee County, Oklahoma. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 28, 2012, 11:21 PM CDT (04:21 UTC)
Expired
May 29, 2012, 12:00 AM CDT
In force
39 min
Issued by
NWS Tulsa, OK

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 66 km from the middle of the area, began a volume at 04:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.4 hours before the alert went out and 137 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2012-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2238 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2012-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2238 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1655 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

605 
WWUS84 KTSA 290421
SPSTSA

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1121 PM CDT MON MAY 28 2012

OKZ064>066-290500-
CREEK OK-OKFUSKEE OK-OKMULGEE OK-
1121 PM CDT MON MAY 28 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL MIDNIGHT CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     SOUTHERN CREEK AND CENTRAL OKMULGEE

IN EAST CENTRAL OKLAHOMA
     NORTHERN OKFUSKEE

AT 1121 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
OF BEGGS...MOVING EAST AT 30 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...OKMULGEE...MORRIS...PRESTON...
BEGGS...BALD HILL AND OKMULGEE STATE PARK.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE
THE SIGNIFICANT WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3576 9580 3553 9585 3561 9628 3579 9625
TIME...MOT...LOC 0421Z 278DEG 24KT 3568 9615

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 9:46 PM CDTSpecial Weather StatementTSACreek44 min
May 28, 10:28 PM CDTSpecial Weather StatementTSAWashington62 min
May 28, 10:34 PM CDTSpecial Weather StatementTSAPawnee56 min
May 28, 10:36 PM CDTSpecial Weather StatementTSAOkfuskee54 min
May 28, 10:43 PM CDTSpecial Weather StatementTSAOsage62 min
May 28, 10:51 PM CDTSpecial Weather StatementTSACraig54 min
May 28, 10:58 PM CDTSpecial Weather StatementTSANowata47 min
May 28, 11:28 PM CDTSpecial Weather StatementTSAWashington47 min
May 28, 11:31 PM CDTSpecial Weather StatementTSACraig29 min
May 28, 11:57 PM CDTSpecial Weather StatementTSAMayes, Rogers33 min
May 29, 12:02 AM CDTSpecial Weather StatementTSACraig43 min
May 29, 12:05 AM CDTSpecial Weather StatementTSANowata, Washington25 min
May 29, 12:08 AM CDTSpecial Weather StatementTSAMcIntosh, Muskogee, Wagoner37 min
May 29, 12:19 AM CDTSpecial Weather StatementTSACraig, Ottawa56 min
May 29, 1:00 AM CDTSpecial Weather StatementTSAAdair, Cherokee, Sequoyah45 min
May 29, 5:03 AM CDTSpecial Weather StatementTSADelaware27 min
May 29, 5:25 AM CDTSevere Thunderstorm WarningTSAAdair, Delaware35 min
May 29, 1:24 AM CDTSpecial Weather StatementTSABenton36 min
May 29, 2:05 AM CDTSpecial Weather StatementTSABenton, Crawford, Washington40 min
May 29, 2:47 AM CDTSpecial Weather StatementTSACarroll, Madison, Washington43 min
May 29, 3:06 AM CDTSpecial Weather StatementTSACrawford39 min
May 29, 3:55 AM CDTSpecial Weather StatementTSAFranklin, Sebastian65 min
May 29, 5:23 AM CDTSpecial Weather StatementTSAWashington37 min

Nearby

Special Weather Statements in Oklahoma, 2012Every special weather statement in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.